Pavel Mikhailovskii
57 lines
1.6 KiB
Kotlin
Vendored
57 lines
1.6 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM
|
|
// WITH_REFLECT
|
|
|
|
import kotlin.reflect.KProperty
|
|
import kotlin.reflect.KProperty2
|
|
import kotlin.reflect.full.IllegalPropertyDelegateAccessException
|
|
import kotlin.test.*
|
|
|
|
object Delegate {
|
|
operator fun getValue(instance: Any?, property: KProperty<*>) = true
|
|
}
|
|
|
|
val topLevel: Boolean by Delegate
|
|
val delegated: Boolean by ::topLevel
|
|
val String.extension: Boolean by Delegate
|
|
val String.delegated: Boolean by String::delegated
|
|
|
|
class Foo {
|
|
val member: Boolean by Delegate
|
|
val delegated: Boolean by ::member
|
|
val String.memberExtension: Boolean by Delegate
|
|
val String.memberExtensionDelegated: Boolean by ::member
|
|
}
|
|
|
|
inline fun check(block: () -> Unit) {
|
|
try {
|
|
block()
|
|
throw AssertionError("No IllegalPropertyDelegateAccessException has been thrown")
|
|
} catch (e: IllegalPropertyDelegateAccessException) {
|
|
// OK
|
|
}
|
|
}
|
|
|
|
fun box(): String {
|
|
check { ::topLevel.getDelegate() }
|
|
check { ::delegated.getDelegate() }
|
|
|
|
check { String::extension.getDelegate("") }
|
|
check { ""::extension.getDelegate() }
|
|
check { String::delegated.getDelegate("") }
|
|
check { ""::delegated.getDelegate() }
|
|
|
|
val foo = Foo()
|
|
check { Foo::member.getDelegate(foo) }
|
|
check { foo::member.getDelegate() }
|
|
check { Foo::delegated.getDelegate(foo) }
|
|
check { foo::delegated.getDelegate() }
|
|
|
|
val me = Foo::class.members.single { it.name == "memberExtension" } as KProperty2<Foo, String, Boolean>
|
|
check { me.getDelegate(foo, "") }
|
|
|
|
val med = Foo::class.members.single { it.name == "memberExtensionDelegated" } as KProperty2<Foo, String, Boolean>
|
|
check { med.getDelegate(foo, "") }
|
|
|
|
return "OK"
|
|
}
|